Phase shifter assembly and base station antenna

Abstract

The present disclosure relates to a phase shifter assembly and a base station antenna, wherein the phase shifter assembly includes: a first printed circuit board; a first wiper arm, which is rotatably coupled to the first printed circuit board; a second printed circuit board; and a second wiper arm, which is rotatably coupled to the second printed circuit board; wherein the first printed circuit board and the second printed circuit board are arranged at a non-zero angle.

The invention claimed is: 
     
       1. A phase shifter assembly, comprising:
 a first printed circuit board; 
 a first wiper arm, which is rotatably coupled to the first printed circuit board; 
 a second printed circuit board; 
 a second wiper arm, which is rotatably coupled to the second printed circuit board; 
 a first drive rod which is coupled to the first wiper arm and the second wiper arm to drive the first wiper arm and the second wiper arm; and 
 a first coupling element coupled to the first drive rod and bridged between the first wiper arm and the second wiper arm such that the first wiper arm is positioned between the first coupling element and the first printed circuit board and the second wiper arm is positioned between the first coupling element and the second printed circuit board, 
 wherein the first printed circuit board and the second printed circuit board are arranged at a non-zero angle. 
 
     
     
       2. The phase shifter assembly according to  claim 1 , wherein the first drive rod is arranged adjacent to a side where the first printed circuit board and the second printed circuit board are closer to each other. 
     
     
       3. The phase shifter assembly according to  claim 1 , wherein the first drive rod is arranged on a side of the first printed circuit board facing away from the second printed circuit board, or arranged on a side of the second print circuit board facing away from the first printed circuit board. 
     
     
       4. The phase shifter assembly according to  claim 1 , wherein the first drive rod is arranged between the first printed circuit board and the second printed circuit board. 
     
     
       5. The phase shifter assembly according to  claim 1 , wherein the phase shifter assembly includes:
 a second drive rod, which is coupled to the first wiper arm to drive the first wiper arm to rotate. 
 
     
     
       6. The phase shifter assembly according to  claim 5 , wherein the first drive rod is arranged on a side of the first printed circuit board facing away from the first printed circuit board; and
 the second drive rod is arranged on a side of the second printed circuit board facing away from the second printed circuit board. 
 
     
     
       7. The phase shifter assembly according to  claim 5 , wherein the phase shifter assembly includes:
 a second coupling element, which is configured to couple the first wiper arm to the second drive rod. 
 
     
     
       8. The phase shifter assembly according to  claim 1 , wherein the first wiper arm and the second wiper arm are configured to rotate in unison. 
     
     
       9. The phase shifter assembly according to  claim 1 , wherein the phase shifter assembly includes:
 a bracket including a first side portion and a second side portion arranged at an angle to each other, the first printed circuit board is fixed on the first side portion, and the second printed circuit board is fixed on the second side portion. 
 
     
     
       10. The phase shifter assembly according to  claim 9 , wherein the bracket is integrally formed. 
     
     
       11. The phase shifter assembly of  claim 9 , wherein the first side portion and the second side portion are combined to form the bracket. 
     
     
       12. The phase shifter assembly of  claim 9 , wherein the bracket is produced by punch forming or die-casting molding. 
     
     
       13. The phase shifter assembly according to  claim 1 , wherein the phase shifter assembly includes a cable channel residing between the first printed circuit board and the second printed circuit board, and the cable channel is configured to accommodate at least a part of a cable. 
     
     
       14. The phase shifter assembly of  claim 1 , wherein the phase shifter assembly is arranged in mirror symmetry. 
     
     
       15. The phase shifter assembly of  claim 1 , wherein the first printed circuit board and the second printed circuit board are arranged to be spaced apart from each other. 
     
     
       16. A base station antenna, including:
 a reflector; 
 a plurality of radiating elements provided on a first side of the reflector; and 
 the phase shifter assembly according to  claim 1 , the phase shifter assembly being provided on a second side of the reflector opposite to the first side. 
 
     
     
       17. The base station antenna according to  claim 16 , wherein the plurality of radiating elements include a plurality of high-band radiating elements and a plurality of low-band radiating elements; and
 the base station antenna further includes a cavity phase shifter; 
 wherein the cavity phase shifter is configured to be used for the plurality of high-band radiating elements, and the phase shifter assembly is configured to be used for the plurality of low-band radiating elements. 
 
     
     
       18. The base station antenna according to  claim 16 , wherein the phase shifter assembly includes a fixing portion configured to connect the phase shifter assembly to the reflector, and a first printed circuit board and a second printed circuit board of the phase shifter assembly are respectively arranged at an angle to the reflector. 
     
     
       19. A phase shifter assembly, comprising:
 a first printed circuit board; 
 a first wiper arm, which is rotatably coupled to the first printed circuit board; 
 a second printed circuit board; 
 a second wiper arm, which is rotatably coupled to the second printed circuit board; and 
 a first drive rod, which is coupled to the first wiper arm and the second wiper arm to drive the first wiper arm and the second wiper arm, 
 wherein the first printed circuit board and the second printed circuit board are arranged at a non-zero angle, and 
 wherein the first drive rod is arranged on a side of the first printed circuit board facing away from the second printed circuit board, or arranged on a side of the second printed circuit board facing away from the first printed circuit board.